Applied Materials interview questions

First was a phone screen for 15 min. It could have been longer for me, but I told my interviewer that I had to rush to a class after that. I was asked questions on my resume. I got an onsite call within 5 days. The onsite had 4 rounds of interviews lasting 1hr each. Each interviewer was either a engineering manager or a member of technical staff. I found all the interviewers intelligent and smart. Since C++ is heavily used here, prepare that part well.